Electronic Configuration: JEE Questions & Solutions

The extra stability of half-filled subshell is due to (A) Symmetrical distribution of electrons (B) Smaller coulombic repulsion energy (C)…

Correct statements for an element with atomic number 9 are A. There can be 5 electrons for which m_s = +1/2 and 4 electrons for which m_s =…

The electronic configuration for Neodymium is: (Atomic Number for Neodymium 60)

The electronic configuration for Neodymium is: (Atomic Number for Neodymium 60)

Choose the correct option having all the elements with d¹⁰ electronic configuration from the following:

Total number of ions from the following with noble gas configuration is: Sr²⁺ (Z=38), Cs⁺ (Z=55), La²⁺ (Z=57), Pb²⁺ (Z=82), Yb²⁺ (Z=70) and…

Match List-I with List-II: List-I (Element) | List-II (Electronic Configuration) A. N | I. [Ar] 3d10 4s2 4p5 B. S | II. [Ne] 3s2 3p4 C. Br…

The electronic configuration of Einsteinium is: (Given atomic number of Einsteinium = 99)

The number of s-electrons present in an ion with 55 protons in its unipositive state is:

The magnetic behavior of Li₂O, Na₂O₂, and KO₂, respectively, is:

Which one of the following sets of ions represents a collection of isoelectronic species? (Given: Atomic Number: F:9, Cl: 17, Na = 11, Mg =…

The total number of isoelectronic species from the given set is. Given set: O²⁻, F⁻, Al, Mg²⁺, Na⁺, O⁺, Mg, Al³⁺, F